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Related papers: NLC Luminosity as a Function of Beam Parameters

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As lighting efficiency improves, it is useful to understand the theoretical limits to luminous efficacy for light that we perceive as white. Independent of the efficiency with which photons are generated, there exists a spectrally-imposed…

Optics · Physics 2015-06-17 T. W. Murphy

Based on the luminosity-distance diagram, we propose a method to quickly estimate the luminosity function for any certain astrophysical objects. Giving the mean distance between any two objects at a given luminosity range, we can find the…

Instrumentation and Methods for Astrophysics · Physics 2017-01-13 Yuan-Chuan Zou

The role of the ILC final focus system (FFS) is to demagnify the beam to the sizes at the IP required to meet the ILC luminosity goals. The current design of final focus performs perfect chromaticity correction in both horizontal and…

Accelerator Physics · Physics 2015-12-09 Dou Wang , Yiwei Wang , Philip Bambade , Jie Gao

The WIMP (weakly interacting massive particle) paradigm for dark matter is currently being probed via many different experiments. Direct detection, indirect detection and collider searches are all hoping to catch a glimpse of these elusive…

High Energy Physics - Phenomenology · Physics 2013-04-24 Herbert Dreiner , Moritz Huck , Michael Krämer , Daniel Schmeier , Jamie Tattersall

Different limitations on luminosity of linac-ring type colliders coming from beam dynamics issues are considered for the examples of the $ep$ options of the THERA and LinacXLHC proposals. It is shown that $L=1.3\times 10^{31}$ for THERA and…

Accelerator Physics · Physics 2007-05-23 A. K. Ciftci , E. Recepoglu , S. Sultansoy

Tunable dielectric meta-surface nanostructures offer incredible performance in optical application due to their extraordinary tunability of the polarization and engineering the dispersion of light with low loss in infrared range. In this…

Optics · Physics 2022-01-19 Golsa Mirbagheri , David T. Crouse

The nebular evolution is followed from the vicinity of the asymptotic-giant branch across the Hertzsprung-Russell diagram until the white-dwarf domain is reached, using various central-star models coupled to different initial envelope…

Astrophysics · Physics 2007-09-26 D. Schoenberner , R. Jacob , M. Steffen , C. Sandin

This is the first of the series of papers which present a precision method of the day-by-day monitoring of the absolute LHC luminosity. The method is based on the measurement of the rate of coplanar lepton pairs produced in peripheral…

High Energy Physics - Experiment · Physics 2008-11-26 M. W. Krasny , J. Chwastowski , K. Slowikowski

We investigate the accuracy of weak lensing simulations by comparing the results of five independently developed lensing simulation codes run on the same input $N$-body simulation. Our comparison focuses on the lensing convergence maps…

To calculate nonlinear transport of space charge dominated beam in 6D phase spaces, a computer code package LEADS-v5 (Linear and Electrostatic Accelerator Dynamics Simulations) has been developed. The codes calculate particle motions in the…

Accelerator Physics · Physics 2022-02-15 Jian-Qin Lu

The status and initial performance of a simulation program CAIN for interaction region of linear colliders is described. The program is developed to be applicable for e+e-, e-e-, e-gamma and gamma-gamma linear colliders. As an example of an…

Accelerator Physics · Physics 2009-10-30 P. Chen , T. Ohgaki , A. Spitkovsky , T. Takahashi , K. Yokoya

The conception of High Power Linac developed in Russian accelerator centres is based on the use of independently phased SC resonators with quadrupole lenses between them. The type and parameters of the resonators as well as focusing…

Accelerator Physics · Physics 2007-05-23 A. Kolomiets , S. Yaramishev

Numerical simulation of the National Ignition Facility (NIF) laser performance and automated control of the laser setup process are crucial to the project's success. These functions will be performed by two closely coupled computer code:…

Optics · Physics 2007-05-23 M. J. Shaw , R. A. Sacks , C. A. Haynam , W. H. Williams

Phase is an intrinsic property of light, and thus a crucial parameter across numerous applications in modern optics. Various methods exist for measuring the phase of light, each presenting challenges and limitations-from the mechanical…

We present pathways to the required theoretical precision for the luminosity targeted by the FCC-ee precision studies. We put the discussion in context by reviewing briefly the situation at the time of LEP. We then present the current…

High Energy Physics - Phenomenology · Physics 2019-05-07 B. F. L. Ward , S. Jadach , W. Placzek , M. Skrzypek , S. A. Yost

We compare the observed symbiotic nebulae (SyN) luminosity function (SyNLF) in the [O III] 5007A line to the planetary nebulae (PN) luminosity function (PNLF) and find that the intrinsic SyNLF (ISyNLF) of galactic SyNs has - within its…

Solar and Stellar Astrophysics · Physics 2009-09-16 Adam Frankowski , Noam Soker

Electromagnetic modeling with MAFIA of the combined beam position-phase monitors (BPPMs) for the Spallation Neutron Source (SNS) linac has been performed. Time-domain 3-D simulations are used to compute the signal amplitudes and phases on…

Accelerator Physics · Physics 2010-05-27 Sergey S. Kurennoy

The Pixel Luminosity Telescope is a silicon pixel detector dedicated to luminosity measurement at the CMS experiment at the LHC. It is located approximately 1.75 m from the interaction point and arranged into 16 "telescopes", with eight…

Instrumentation and Detectors · Physics 2023-08-02 Paul Lujan

A statistical method which uses a combination of two subdetectors to monitor the luminosity in high energy interactions is presented. To illustrate its performance, this method was applied to random triggered minimum bias data collected in…

Instrumentation and Detectors · Physics 2015-06-26 J. Bastos , J. Carvalho , M. Schmelling

Dark count rate and correlated noise rate are among the main parameters that characterize silicon photomultipliers (SiPM). Typically, these parameters are evaluated by applying approximate formulas, or by fitting specific models, to the…

Instrumentation and Detectors · Physics 2017-11-01 Enrico Junior Schioppa